/* 为整个信息卡片容器设计样式 */
.iso-info-box {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f7f7f9;
    border-left: 5px solid #007bff;
    padding: 8px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    margin: 20px auto 20px auto;
    width: 92%;
    justify-content: center;
    align-items: center;
}

/* 标题样式 */
.iso-info-box h3 {
    font-size: 22px;
    font-weight: 600;
    color: #333;
    margin-top: 0;
    margin-bottom: 15px;
}

/* 段落样式 */
.iso-info-box p {
    font-size: 16px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 10px;
}

/* 列表容器样式 */
.iso-info-box .feature-list {
    list-style-type: none;
    padding-left: 0;
    margin-left: 8%;
}

/* 列表项样式 */
.iso-info-box .feature-list li {
    font-size: 16px;
    color: #444;
    padding-left: 28px;
    position: relative;
    margin-bottom: 10px;
}

/* 使用 ::before 伪元素创建自定义的列表图标 */
.iso-info-box .feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 2px;
    font-weight: bold;
    color: #007bff;
    font-size: 18px;
}

.content-body iframe {
    width: 92%;
    height: 1000px;
    border: none;
    display: flex;
    margin: 10px auto 10px auto;
}

.pdf-download-link {
    color: #000000;
    margin: 20px 30px 0px 30px;
    font-weight: bold;
}

.pdf-download-link:hover {
    color: #ff0303;
    text-decoration: none;
}

@media (max-width: 768px) {
    .iso-info-box {
        width: 95%;
        padding: 6px 16px;
        font-size: 15px;
        border-left-width: 4px;
        margin: 12px auto;
    }

    .iso-info-box h3 {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .iso-info-box p,
    .iso-info-box .feature-list li {
        font-size: 14px;
        line-height: 1.5;
        margin-left: 12px;
    }

    .iso-info-box .feature-list {
        margin-left: 3%;
    }

    .content-body iframe {
        width: 100%;
        height: 800px;
        margin: 20px 0;
    }

    .pdf-download-link {
        align-items: left;
        text-align: center;
        font-size: 15px;
    }
}